Browsing ERU - 2009 by Title

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  • Linking supply chain management to business performance: An empirical study on sri lankan firms 
    Ekanayake, KCS; Wickramasinghe, VM [Conference-Extended-Abstract]
    Even though Supply Chain Management (SCM) has been identified as a strategic tool that expands a firm's integrated behavior to incorporate customers and suppliers to be fully effective in today's competitive environment, ...
  • Managing construction site material waste: web-based tool 
    Ekanayake, LL; Samarasinghe, DAS; Shamih, MSM; Jayakody, WHAJ [Conference-Extended-Abstract]
    Sri Lanka is a developing country which has considerable expanding infrastructure development projects. Hence, I construction industry generates lots of waste which cause a significant environmental and social impact. It ...
  • Mathematical modeling of extraction of chlorophyll from alternanthera sessilis cultivated in Sri Lanka 
    Jinasena, MAM; Dissanayake, DMMB; Amarasinghe, ADUS; Amarasinghe, BMWPK; Prashantha, MAB [Conference-Extended-Abstract]
    Mass transfer modeling was used to study the extraction efficiency and the effect of temperature on solvent extraction of chlorophyll from. Alternanthera sessilis, which is a leafy vegetable cultivated in tropics and sub ...
  • Measuring volatility in financial data series 
    Cooray, TMJA [Conference-Extended-Abstract]
    This paper analyse relation between expected return and conditional variance, mainly whether it is time-varying or constant (and also linear). It is assumed that for specified period of time investors expect higher returns ...
  • Mobile healthcare network and distance consulting on 3G 
    Amarasinghe, A; Kariyawasam, LID; Rupasinghe, CS; Ruwansiri, WAT; Dias, SAD [Conference-Extended-Abstract]
    Continuous monitoring of patients is becoming increasingly important with the current progress of diagnosis and medical treatment techniques. When the available facilities and healthcare cost are considered, remote patient ...
  • Nutrient enrichment in colombo flood detention area wetlands 
    Sharmili, S; Hettiararchchi, MN; De Alwis, AAP [Conference-Extended-Abstract]
    Wetlands often serve as nutrient sinks, Wetlands microorganisms and wetlands plants; serve as environmental filters by trapping impurities such as toxins and excessive nutrients as water flows through the wetlands system. ...
  • Possibility of using waste vegetable oil as a biodiesel raw-material 
    Hewa Walpita, DRS; Sampath, PRAU; Samarakoon, SPAGL; Ismail, FM; Gunawardena, SHP [Conference-Extended-Abstract]
    WVO can be successfully and economically converted into biodiesel using a simple conversion process. The biodiesel produced using WVO shows physical properties which are compatible to those of standard biodiesel, and shows ...
  • Power electronic starter for wound rotor induction motors 
    Soysa, WHID; Karunadasa, JP [Conference-Extended-Abstract]
    This paper presents a rotor based power electronic starter for a wound rotor three phase induction motor. The study was done for a 1kW motor and the successfulness of proposed starter was evaluated using Matlab-Simulink ...
  • Prediction of flexural bond in reinforced concrete 
    Weerasekera, IAR; Rasikamal, AADI; Chandrasiri, JPS; Attanayake, RR [Conference-Extended-Abstract]
    A method to forecast bond stresses by accounting for tension transmitted across radial cracks is presented. This phenomenon is known as cohesive cracking. When steel and uncracked concrete are present they are treated as ...
  • Prepaid digital energy meter 
    Samarasinghe, ATLK; Alwis, LLSI; Perera, IU; Samarathunga, IU; Sandaruwan, MKL [Conference-Extended-Abstract]
    Digital prepaid energy meter can be used to monitor the consumption of electricity in domestic needs and supports remote billing, recharging of account and web based account management functions. If the available credit ...
  • Proceedings of the 15th Annual Symposium 2009 (Pre Text) 
    Rodrigo, R [Conference-Extended-Abstract]
  • Programmable fault path indicator for power distribution networks 
    De Silva, N; Kumarawadu, S; Selvarasa, A; Ratnayaka, SRMCD; Ranawaka, DMD; Kankanamge, TN [Conference-Extended-Abstract]
    The increase in electricity demand and expansion of transmission and distribution system is leading to a more complex electrical network. As a result of complex networks, fault identification takes a longer time posing a ...
  • Reduction of crack susceptibility of flash butt welded joints in rim manufacturing 
    Hewage, SPK; Munasinghe, RGNDeS [Conference-Extended-Abstract]
    Flash butt welding is a well established and economical manufacturing process classified as a solid state welding process and mainly used in automobile wheel industry. The advantages of this process are economical in ...
  • Refrigerated three-wheeler truck 
    Sandamali, RC; Senevirathne, NGKSN; Sirimanna, MPG; Fernando, MARV [Conference-Extended-Abstract]
    The mobile fish sellers in Sri Lanka used bicycles, motor bicycles and three wheelers to distribute fish. Refrigerated three-wheeler truck was developed targeting mobile food sellers. A prototype was fabricated which ...
  • Reinforcement of natural rubber latex films with surface modified silica 
    Liyanage, NMVK; Walpalage, S; Somaratne, MCW [Conference-Extended-Abstract]
    The surface of silica particles was modified by treating with a polymer containing both hydrophilic and hydrophobic monomer units. Surface modification involved esterification of the surface hydroxyl groups with the carboxyl ...
  • Research on motion capture technologies to develop a bionic leg 
    Dassanayake, VPC; Dalpatadu, KPS; De Silva, BMO; Gamage, ANE [Conference-Extended-Abstract]
    This paper explains how motion capture technology can effectively be used to detect, analyze and quantify human activities such as walking, standing, sitting and climbing stairs. This technology is expected to be used for ...
  • Review on flexible pavement design guidelines 
    Janaraj, T; Mampearachchi, WK [Conference-Extended-Abstract]
    The primary objective of this research is to identify the proper design guideline in terms of strength of the structure that enable to last longer life span. Field testing was conducted to check performance of selected ...
  • Review the guidelines of overlay design for flexible pavements 
    Karunarathne, AMAN; Mampearachchi, WK [Conference-Extended-Abstract]
    This primary objective of this research is to compare the overlay design guidelines and verify the feasibility of them on Sri Lankan road network. This is focus on overlay design procedures for the flexible pavements. The ...
  • RFID based patient identification and management system 
    Samarasinghe, ATLK; Athurugiriya, AACN; Gamage, HGTN; Konara, DG; Suranjaya, WAP [Conference-Extended-Abstract]
    The product provides a RFID based Patient Identification System to increase the efficiency and quality of the current hospital system. One of our main objectives is to avoid the misplacement or changing of Patient Record ...
  • Shape prior based Image segmentation using a log distance — theta model 
    Rodrigo, JS; Rodrigo,R [Conference-Extended-Abstract]
    Image segmentation is a popular topic in computer vision. Incorporation of prior shape knowledge into this process and the subsequent extraction of objects demonstrating shape characteristics similar to the priors are being ...